Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California
Version #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:24:48 PM (PDT) on Sunday, October 4, 2026.
The magnitude 1.5 event occurred 1 km (1 miles) NW of Loma Linda, CA.
The hypocentral depth is 17 km (11 miles).
| Magnitude | 1.5 - local magnitude (Ml) |
| Time | Sunday, October 4, 2026 at 10:24:48 PM (PDT) Monday, October 5, 2026 at 5:24:48 (UTC) |
| Distance from |
Loma Linda, CA - 1 km (1 miles) NW (321 degrees) Grand Terrace, CA - 5 km (3 miles) ENE (62 degrees) Colton, CA - 5 km (3 miles) ESE (117 degrees) Redlands, CA - 8 km (5 miles) W (269 degrees) San Bernardino, CA - 9 km (5 miles) SSE (164 degrees) |
| Coordinates | 34 deg. 3.3 min. N (34.054N), 117 deg. 16.0 min. W (117.267W) |
| Depth | 17.25 km (10.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=98, Nph=177, Dmin=5.8 km, Rmss=0.18 sec, Erho=0.12 km, Erzz=0.27 km, Gp=23 degrees |
| Event ID# | ci41343343 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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